4D Molecular Therapeutics, Inc. (FDMT) Insider Ownership

Historic Insider Ownership Trends

4D Molecular Therapeutics's three largest insider shareholders as of May 30, 2026 are Capital Management, L.P. Ra (TenPercentOwner, 4.56Mn shares), Global Investors Lp Viking (TenPercentOwner, 4.25Mn shares), David Kirn (Chief Executive Officer, 1.06Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Partners L P/Il Bvf - 87,911 0 13 Nov, 2024
Global Investors Lp Viking - 0 4,247,914 05 Jan, 2024
August J Moretti Chief Financial Officer 11,045 0 16 May, 2023
Capital Management, L.P. Ra - 0 4,563,211 10 Dec, 2024
Charles Theuer - 41,684 0 16 Dec, 2025
David Kirn Chief Executive Officer 1,059,153 0 12 Jul, 2024
Scott Bizily Chief Legal Officer 3,594 0 19 Dec, 2025
Robert Young Kim Chief Medical Officer 1,043 0 07 Feb, 2024
Ashoo Gupta Vp, Finance And Controller 47,055 0 24 Mar, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
25 Mar, 2026 David Kirn Stock Option (Right to Buy) A 750,000 $0.00 750,000 D A
25 Mar, 2026 Christopher Paul Simms Stock Option (Right to Buy) A 219,000 $0.00 219,000 D A
25 Mar, 2026 Scott Bizily Stock Option (Right to Buy) A 217,000 $0.00 217,000 D A
25 Mar, 2026 Christopher Paul Simms Stock Option (Right to Buy) A 219,000 $0.00 219,000 D A
25 Mar, 2026 Scott Bizily Stock Option (Right to Buy) A 217,000 $0.00 217,000 D A
25 Mar, 2026 David Kirn Stock Option (Right to Buy) A 750,000 $0.00 750,000 D A
20 Mar, 2026 Ashoo Gupta Common Stock A 865 - 47,224 D M
20 Mar, 2026 Ashoo Gupta Common Stock A 865 - 47,224 D M
20 Mar, 2026 Ashoo Gupta Common Stock D 310 $8.61 46,914 D S
20 Mar, 2026 Ashoo Gupta Common Stock D 310 $8.61 46,914 D S
20 Mar, 2026 Ashoo Gupta Common Stock A 221 - 47,135 D M
20 Mar, 2026 Ashoo Gupta Common Stock A 221 - 47,135 D M
20 Mar, 2026 Ashoo Gupta Common Stock D 80 $8.61 47,055 D S
20 Mar, 2026 Ashoo Gupta Common Stock D 80 $8.61 47,055 D S
20 Mar, 2026 Ashoo Gupta Restricted Stock Units D 865 $0.00 12,119 D M
20 Mar, 2026 Ashoo Gupta Restricted Stock Units D 865 $0.00 12,119 D M
20 Mar, 2026 Ashoo Gupta Restricted Stock Units D 221 $0.00 3,087 D M
20 Mar, 2026 Ashoo Gupta Restricted Stock Units D 221 $0.00 3,087 D M
05 Jan, 2026 Glenn Sblendorio Stock Option (Right to Buy) A 45,000 $0.00 45,000 D A
05 Jan, 2026 Glenn Sblendorio Stock Option (Right to Buy) A 45,000 $0.00 45,000 D A